19989432

素因数分解:

$2^3\times 3^2\times {\mathrm{313}}^1\times {\mathrm{887}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 54372240

約数和(自身を除く): 34382808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 313, 626, 887, 939, 1252, 1774, 1878, 2504, 2661, 2817, 3548, 3756, 5322, 5634, 7096, 7512, 7983, 10644, 11268, 15966, 21288, 22536, 31932, 63864, 277631, 555262, 832893, 1110524, 1665786, 2221048, 2498679, 3331572, 4997358, 6663144, 9994716, 19989432]

約数ペア:

[(1, 19989432), (2, 9994716), (3, 6663144), (4, 4997358), (6, 3331572), (8, 2498679), (9, 2221048), (12, 1665786), (18, 1110524), (24, 832893), (36, 555262), (72, 277631), (313, 63864), (626, 31932), (887, 22536), (939, 21288), (1252, 15966), (1774, 11268), (1878, 10644), (2504, 7983), (2661, 7512), (2817, 7096), (3548, 5634), (3756, 5322)]